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The United States Air Force (USAF) is the air service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part of the United States Army Signal Corps, the USAF was established as a separate branch of the United States Armed Forces in 1947 with the enactment of the National Security Act of 1947.
In November 1995, Hughes was awarded the contract for Thor 2, a high-powered version of Hughes' spin-stabilized HS-376 model. Thor 2 was successfully launched in May 1997.
Height 38.90 Meters
Max Stages 3
Mass To GTO 1840 kg
Liftoff Thrust 0 kN
Diameter 2.40 Meters
Mass To LEO 0 kg
Liftoff Mass 232 Tonnes
Launch Success 34
Consecutive Success 5
Maiden Flight 1990-11-26
Launch Failures 2